Home / 9,150,921.63-12,628,504.26-5,020,951.68

Finding the Fourth Proportional to 9,150,921.63, 12,628,504.26 and 5,020,951.68

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Solution

The fourth proportional to 9,150,921.63, 12,628,504.26 and 5,020,951.68 is: 6,929,040.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150,921.63 : 12,628,504.26 = 5,020,951.68 : x
  2. Step 2: Convert to fraction form
    9,150,921.63/12,628,504.26 = 5,020,951.68/x
  3. Step 3: Cross multiply
    9,150,921.63x = 12,628,504.26 × 5,020,951.68
  4. Step 4: Simplify right side
    9,150,921.63x = 63,407,109,680,134.15
  5. Step 5: Solve for x
    x = 63,407,109,680,134.15/9,150,921.63
  6. Step 6: Final answer
    x = 6,929,040.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.